fix xss vulernability (http://www.concrete5.org/developers/bugs/5-4-1-1/xss-vulnerability-on-login-page/)
fix xss vulernability (http://www.concrete5.org/developers/bugs/5-4-1-1/xss-vulnerability-on-login-page/)

TimDix/concrete5,matt9mg/concrete5,matt9mg/concrete5,MichaelMaar/concrete5,matt9mg/concrete5,MichaelMaar/concrete5,MichaelMaar/concrete5,TimDix/concrete5,TimDix/concrete5,avdevs/concrete5,avdevs/concrete5,avdevs/concrete5